After success of 9" line cavity coupler loop tuning on LRF3, we will repeat the procedure on LRF5 to reduce reverse during beam time. This will start on Tuesday, require beam pulses to verify beam loading / reverse power that night if all goes well, then return shielding blocks on Wednesday.

5592 Elevation run in D0 before machine is opened. Date: 8/06/2007 Complete

P150 Task Manager: OshinowoLate Request

5593We had to move several magnets and multiwires to make up the ends on the cans for vacuum connections.They are as follows:The multiwire cans at 708 and 710.B2 magnets at the interface of 710 - 711 and the interfaces of 709 - 710, the serial #'s are BDM 883-1BDM 835-1 BDM 879-1 and BDM 397-1. Date: 9/07/2007 Complete

NuMI Task Manager: Bocean

5602As found the currently existing HV101-1 (spare EDBB017). Date: 9/11/2007Complete

5602As Set the currently existing HV101-1 (spare EDBB017). Date: 9/19/2007Complete

CHL helium inventory management system operating on clean Helium Tank Farm,though A0 GHe Recovery being vented due Recovery compressor being replaced.CHL Main Helium Purifier was derimed, cooled down, and put back online to Screw Compressor.CHL Mobile Helium Purifier was taken offline and will be derimed at room temperature

CHL Nitrogen Reliquefier (NRL) plant off and LN2 supply dependent on vendor deliveries to CHL LN2 Dewar tanks; deliveries are fine.NRL IR Booster compressor startup was attempted but took down north-end bldg power

CHL 24/7 operations shiftwork resumes Oct. 1

Repair options for feeder 38 cable between CHL and FRIG B0/BA Compressor that failed in August need discussion between FESS, CDF, and Cryo

FRIG Maintenance

13 of 13 wet expander flywheels have been replaced

25 of 26 wet/dry expander overhauls of cold ends are completed (only E1 left to do after tunnel vacuum work is completed)

Various vacuum, instrumentation, and controls maintenance continuing.

Mycom compressor startup checkout in progress

CHL Maintenance

Coldbox-1:

Charcoal Adsorber west unit regeneration was completed and both east and west units will be purified next week